Home / 8,870,420.60-13,305,630.90-2,138,834.60

Finding the Fourth Proportional to 8,870,420.60, 13,305,630.90 and 2,138,834.60

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Solution

The fourth proportional to 8,870,420.60, 13,305,630.90 and 2,138,834.60 is: 3,208,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,420.60 : 13,305,630.90 = 2,138,834.60 : x
  2. Step 2: Convert to fraction form
    8,870,420.60/13,305,630.90 = 2,138,834.60/x
  3. Step 3: Cross multiply
    8,870,420.60x = 13,305,630.90 × 2,138,834.60
  4. Step 4: Simplify right side
    8,870,420.60x = 28,458,543,743,749.14
  5. Step 5: Solve for x
    x = 28,458,543,743,749.14/8,870,420.60
  6. Step 6: Final answer
    x = 3,208,251.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.